I can't believe this. I maybe have put 1000 miles on this car since the SC went on and I went to show my friends neighbor and I opened the hood and the 4 rib belt to the SC was shredded and only 2 ribs were left. I pulled it off and put the new one on. This was the first time that this belt broke but it is the 3rd new belt that I have had to put on since this SC has been on. This morning I started the car and got an instant squeak out of a belt. I'm not sure, but maybe I need to tighten up this new belt.

 

possible crooked pulley...or warped pulley....or u have rats n small mammals living in ur engine bay....

i dunno...just a few thoughts...

 

^^^hmmm good idea... you think you could put a dial indacator on the pulley and see if it is warped?

 

LOL on the rats.

But my patience for this is running real thin.

 

Weird, I didn't lose any belts during the 7500 miles I had the Stillen. Is your idle tensioner pulley on the supercharger black or silver? I know someone with a black one and shreds belts too.

 

its black, but silver is showing through from paint wear.

 

are there any sharp nubs on the pulley???

 

nope. I'm just thinking that the belts are tightened down correctly. But I don't know.

 

well do they look like they are shearing?? Are they stretched?

 

Maybe too tight? Have a picture of how tight it was?
Not sure if this helps

 

This is a common problem associated with these SC's unfortunately. I have been known to go through a couple belts in one track day.... all's you can do is make sure the pullies are lined up good (use a shim kit if you have to), be sure not to over-tighten the belts, and keep a stock of about 3-5 belts with you at all times (along with the tools to change it.....Hahaha....LOL

 

man i feel bad for you,in the over 20,000 miles with this kit.i have only had to replace the 6 rib and 4 rib belts just once.but i did have to retighten the rerouted p/s belt 3 times.stillen does have a shim kit for these problems,call and ask for sam and descibe all the belt problems,hell figure it out for you.good luck.

 

Mine doesn't look that tight. That tensioner looks like it is almost touching the other pulley. Man, maybe I need to tighten mine up even more.

 

Consider that the sc draws [parasitic loss] around 20-25 HorsePower and this gets transmitted thru the belt vs say 5 HP for the AC belt or alternator or PS.

In theory the belt should be twice as wide to get oem type longevity.

When these type superchargers/belts were used on GM V6 the redline and HP peaks occurred at much much lower rpms.

Consider a redesign if you want belt reliability out to 30,000 miles or limit rpm.

 

That is about how tight mine is.

Jon - I am sorry you have had so many belt problems with your kit. It is not normal. I feel for you.